<template>
  <div class="dashboard-container">
    <div class="app-container">
      <PageTools>
        <el-button slot="after" type="primary" @click="addPermission(1, '0')">添加权限</el-button>
      </PageTools>
      <el-card>
        <!-- 当row中含有children字段时，会被识别为树形结构，需要指定row-key -->
        <el-table :data="list" row-key="id" border>
          <el-table-column prop="name" label="名称" />
          <el-table-column prop="code" align="center" label="标识" />
          <el-table-column prop="description" align="center" label="描述" />
          <el-table-column align="center" label="操作">
            <template v-slot="{ row }">
              <el-button v-if="row.type === 1" type="primary" size="mini" @click="addPermission(2, row.id)">添加</el-button>
              <el-button type="primary" size="mini" @click="editPermission(row.id)">编辑</el-button>
              <el-button type="primary" size="mini" @click="delPermission(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>

      <!-- 添加 -->
      <el-dialog :visible="showDialog" :title="showText" @close="cancel">
        <el-form ref="permissionForm" :model="formData" :rules="rules" label-width="120px">
          <el-form-item label="名称" prop="name">
            <el-input v-model="formData.name" style="width: 90%" />
          </el-form-item>
          <el-form-item label="标识" prop="code">
            <el-input v-model="formData.code" style="width: 90%" />
          </el-form-item>
          <el-form-item label="描述">
            <el-input v-model="formData.description" style="width: 90%" />
          </el-form-item>
          <el-form-item label="开启">
            <el-switch
              v-model="formData.enVisible"
              style="width: 90%"
              active-value="1"
              inactive-value="0"
            /> <!-- 值为1时表示激活 ，0表示未激活-->
          </el-form-item>
        </el-form>
        <el-row type="flex" justify="center">
          <el-col :span="6">
            <el-button type="primary" @click="submit">确定</el-button>
            <el-button @click="cancel">取消</el-button>
          </el-col>
        </el-row>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { getPermissionList, addPermission, updatePermission, delPermission, getPermissionDetail } from '@/api/permission'
import { tranListToTreeData } from '@/utils'
import { getRequiredRules } from '@/utils/validate'

export default {
  data() {
    return {
      list: [],
      showDialog: false,
      formData: {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 开启
      },
      rules: {
        name: [getRequiredRules('权限名称')],
        code: [getRequiredRules('权限标识')]
      }
    }
  },
  computed: {
    showText() {
      return this.formData.id ? '编辑权限' : '新增权限'
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    async getPermissionList() {
      this.list = tranListToTreeData(await getPermissionList(), '0')
    },
    async delPermission(id) {
      try {
        await this.$confirm('确认删除该权限吗')
        await delPermission(id)
        this.$message.success('删除成功')
        this.getPermissionList()
      } catch (error) {
        console.log(error)
      }
    },
    addPermission(type, pid) {
      this.formData.type = type
      this.formData.pid = pid
      this.showDialog = true
    },
    async editPermission(id) {
      this.formData = await getPermissionDetail(id)
      this.showDialog = true
    },
    async submit() {
      await this.$refs.permissionForm.validate()
      if (this.formData.id) {
        await updatePermission(this.formData)
      } else {
        await addPermission(this.formData)
      }
      this.$message.success('操作成功')
      this.getPermissionList()
      this.showDialog = false
    },
    cancel() {
      this.formData = {
        name: '',
        code: '',
        description: '',
        type: '',
        pid: '',
        enVisible: '0'
      }
      this.$refs.permissionForm.resetFields()
      this.showDialog = false
    }
  }
}
</script>

<style>

</style>
